A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5945-01-020-6263
NSN 5990-00-419-0236
NSN 6240-01-094-6262
NSN 6130-01-284-8840
NSN 4140-01-442-7308
NSN 4140-01-481-4051
NSN 5998-00-834-6305
NSN 5935-00-956-3442
NSN 5999-01-546-8240
NSN 5998-01-532-6120
NSN 6645-01-112-6373
NSN 4140-00-267-1129